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SHA 1ÕªÒªËã·¨Ô´Âë(java°æ)

public class SHA1 {
    private final int[] abcde = {
            0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
        };
    // ÕªÒªÊý¾Ý´æ´¢Êý×é
  &nb ......

DES¼ÓÃÜËã·¨Ô´Âë(java°æ)

public class DES {
    // ÉùÃ÷³£Á¿×Ö½ÚÊý×é
    private static final int[] IP = {
            58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54,
         ......

32λ²»¿ÉÄæ¼ÓÃÜËã·¨JavaʵÏÖ

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public String kljm(String dm,String kl)
{
String mw, cmm;
int k, i, tmp, a, hf, lf, bytes = 16;
int mm[], l,rand_seed;
rand_seed = 12345;
int len=kl.length();
if(len>=12) len=12;
mw =kl.substring(0,len) + dm.trim();
l = ......

TEA¼ÓÃÜËã·¨java°æ

Õâ¸öËã·¨¼òµ¥,¶øÇÒЧÂʸß,ÿ´Î¿ÉÒÔ²Ù×÷8¸ö×Ö½ÚµÄÊý¾Ý,¼ÓÃܽâÃܵÄKEYΪ16×Ö½Ú,¼´°üº¬4¸öintÊý¾ÝµÄintÐÍÊý×é,¼ÓÃÜÂÖÊýӦΪ8µÄ±¶Êý,Ò»°ã±È½Ï³£ÓõÄÂÖÊýΪ64,32,16,ÍÆ¼öÓÃ64ÂÖ.
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/** *//**
* TeaËã·¨
* ÿ´Î²Ù×÷¿ÉÒÔ´¦Àí8¸ö×Ö½ÚÊý¾Ý
* KEYΪ16×Ö½Ú,ӦΪ°üº¬4¸öintÐÍÊýµÄint[]£¬Ò»¸öintΪ4¸ö×Ö½Ú
* ¼ÓÃܽâÃÜÂÖÊ ......

JavaÊý×éС½á

Êý×é×î³£ÓõÄÓ¦¸Ã¾ÍÊÇ.length Êý×鳤¶È£¬Êý×éËùÄÜÈÝÄɸöµÄÔªËØ¸öÊý£¡¶ø²»ÊÇÓ¦ÓõÄÊý×éÔªËØ¸öÊý£¬±ÈÈçnewÁ˸ö20¸ö¸øÕâ¸öÊý×é¶ÔÏ󣬵«ÊÇÓÃÁË10¸ö.lengthµÄֵΪ20¡£
foreachÓï·¨(½öµ±jdkΪ5.0ʱ¿ÉÓÃ)£º
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int shuzu = {1,1,1,1,1,1};
for£¨int element : shuzu£©{
System.out.print(enement+"\t");
}
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int ......
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